class_docstr: Rule class to handle processing
code: def description(self, description):
      self._description = str(description)
  
imports: import ast
  from copy import deepcopy
  import hashlib
  import inspect
  import json
  from streamalert.shared.logger import get_logger
label_desc: Use image node_id 10 for calling the Rule obj's underlying member method code with example usage: obj.description(description) without return types